Question

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?
a. The light energy and thermal energy stored in the match changed to mechanical energy.
b. The thermal energy stored in the match changed to light energy and chemical energy.
c.The chemical energy stored in the match changed to thermal energy and light energy. d.The light energy and thermal energy stored in the match changed to chemical energy.

Answer 1

Answer:

C

Explanation:

According to the law of conservation of energy, " energy cannot be created nor destroyed, but only transformed".

That means the energy is produced when the match lights up it must come from somewhere.

Answer 2

Answer:

C

Explanation:

The chemical energy stored in the match changed to thermal energy and light energy.